Keys added

Identity.cpp

@@ -0,0 +1,39 @@
+#include <cryptopp/sha.h>
+#include <cryptopp/osrng.h>
+#include <cryptopp/dh.h>
+#include <cryptopp/dsa.h>
+#include "CryptoConst.h"
+#include "Identity.h"
+
+namespace i2p
+{
+namespace data
+{
+	IdentHash CalculateIdentHash (const Identity& identity)
+	{
+		IdentHash hash;
+		CryptoPP::SHA256().CalculateDigest((uint8_t *)hash, (uint8_t *)&identity, sizeof (Identity));
+		return hash;
+	}
+
+	Keys CreateRandomKeys ()
+	{
+		Keys keys;		
+		CryptoPP::AutoSeededRandomPool rnd;
+
+		// encryption
+		CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
+		dh.GenerateKeyPair(rnd, keys.privateKey, keys.publicKey);
+
+		// signing
+		CryptoPP::DSA::PrivateKey privateKey;
+		CryptoPP::DSA::PublicKey publicKey;
+		privateKey.Initialize (rnd, i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag);
+		privateKey.MakePublicKey (publicKey);
+		privateKey.GetPrivateExponent ().Encode (keys.signingPrivateKey, 20);	
+		publicKey.GetPublicElement ().Encode (keys.signingKey, 128);
+		
+		return keys;
+	}	
+}
+}

Identity.h

@@ -3,13 +3,20 @@
 
 #include <inttypes.h>
 #include <string.h>
-#include <cryptopp/sha.h>
 
 namespace i2p
 {
 namespace data
 {
 #pragma pack(1)
+
+	struct Keys
+	{
+		uint8_t privateKey[256];
+		uint8_t signingPrivateKey[20];
+		uint8_t publicKey[256];
+		uint8_t signingKey[128];
+	};
 	
 	struct Identity
 	{
@@ -46,13 +53,9 @@ namespace data
 			uint8_t m_Hash[32];
 	};	
 
-	inline IdentHash CalculateIdentHash (const Identity& identity)
-	{
-		IdentHash hash;
-		CryptoPP::SHA256().CalculateDigest((uint8_t *)hash, (uint8_t *)&identity, sizeof (Identity));
-		return hash;
-	};
-
+	IdentHash CalculateIdentHash (const Identity& identity);
+	Keys CreateRandomKeys ();
+	
 	class RoutingDestination
 	{
 		public:

Makefile

@@ -3,7 +3,7 @@ CC = g++
 CFLAGS = -g -Wall -std=c++0x
 OBJECTS = i2p.o base64.o NTCPSession.o RouterInfo.o Transports.o RouterContext.o \
 	NetDb.o LeaseSet.o Tunnel.o TunnelEndpoint.o TunnelGateway.o TransitTunnel.o \
-	I2NPProtocol.o Log.o Garlic.o HTTPServer.o Streaming.o
+	I2NPProtocol.o Log.o Garlic.o HTTPServer.o Streaming.o Identity.o
 INCFLAGS = 
 LDFLAGS = -Wl,-rpath,/usr/local/lib -lcryptopp -lboost_system -lboost_filesystem
 LIBS = 

RouterContext.cpp

@@ -18,28 +18,17 @@ namespace i2p
 		CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
 		dh.GenerateKeyPair(m_Rnd, m_LeaseSetPrivateKey, m_LeaseSetPublicKey);
 	}	
-
-	const uint8_t * RouterContext::GetSigningPrivateKey () const 
-	{ 
-		return m_SigningPrivateKeyStr; 
-	}	
 	
 	void RouterContext::CreateNewRouter ()
 	{
-		i2p::data::Identity ident;
-		
-		CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
-		dh.GenerateKeyPair(m_Rnd, m_PrivateKey, ident.publicKey);
-		
-		m_SigningPrivateKey.Initialize (m_Rnd, i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag);
-		m_SigningPrivateKey.GetPrivateExponent ().Encode (m_SigningPrivateKeyStr, 20);
-
-		CryptoPP::DSA::PublicKey publicKey;
-		m_SigningPrivateKey.MakePublicKey (publicKey);
-		publicKey.GetPublicElement ().Encode (ident.signingKey, 128);
-
-		memset (ident.certificate, 0, sizeof (ident.certificate));
+		m_Keys = i2p::data::CreateRandomKeys ();
+		m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, 
+			CryptoPP::Integer (m_Keys.signingPrivateKey, 20));
 		
+		i2p::data::Identity ident;
+		// copy public and signing keys together
+		memcpy (ident.publicKey, m_Keys.publicKey, sizeof (ident.publicKey) + sizeof (ident.signingKey));
+		memset (ident.certificate, 0, sizeof (ident.certificate));		
 		m_RouterInfo.SetRouterIdentity (ident);
 
 		m_RouterInfo.AddNTCPAddress ("127.0.0.1", 17007); // TODO:
@@ -76,10 +65,9 @@ namespace i2p
 		std::ifstream fk (ROUTER_KEYS);
 		if (!fk.is_open ())	return false;
 			
-		fk.read ((char *)m_PrivateKey, 256);
-		fk.read ((char *)m_SigningPrivateKeyStr, 20);
+		fk.read ((char *)&m_Keys, sizeof (m_Keys));
 		m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, 
-			CryptoPP::Integer (m_SigningPrivateKeyStr, 20));
+			CryptoPP::Integer (m_Keys.signingPrivateKey, 20));
 
 		m_RouterInfo = i2p::data::RouterInfo (ROUTER_INFO); // TODO
 		
@@ -89,10 +77,7 @@ namespace i2p
 	void RouterContext::Save ()
 	{
 		std::ofstream fk (ROUTER_KEYS);
-		fk.write ((char *)m_PrivateKey, 256);
-		fk.write ((char *)m_SigningPrivateKeyStr, 20);
-		fk.write ((char *)m_RouterInfo.GetRouterIdentity ().publicKey, 256);
-		fk.write ((char *)m_RouterInfo.GetRouterIdentity ().signingKey, 128);
+		fk.write ((char *)&m_Keys, sizeof (m_Keys));
 				
 		std::ofstream fi (ROUTER_INFO);
 		fi.write ((char *)m_RouterInfo.GetBuffer (), m_RouterInfo.GetBufferLen ());

RouterContext.h

@@ -18,8 +18,8 @@ namespace i2p
 			RouterContext ();
 
 			i2p::data::RouterInfo& GetRouterInfo () { return m_RouterInfo; };
-			const uint8_t * GetPrivateKey () const { return m_PrivateKey; };
-			const uint8_t * GetSigningPrivateKey () const;
+			const uint8_t * GetPrivateKey () const { return m_Keys.privateKey; };
+			const uint8_t * GetSigningPrivateKey () const { return m_Keys.signingPrivateKey; };
 			const uint8_t * GetLeaseSetPrivateKey () const { return m_LeaseSetPrivateKey; };
 			const uint8_t * GetLeaseSetPublicKey () const { return m_LeaseSetPublicKey; };
 			const i2p::data::Identity& GetRouterIdentity () const { return m_RouterInfo.GetRouterIdentity (); };
@@ -38,9 +38,9 @@ namespace i2p
 		private:
 
 			i2p::data::RouterInfo m_RouterInfo;
+			i2p::data::Keys m_Keys;
 			CryptoPP::DSA::PrivateKey m_SigningPrivateKey;
-			uint8_t m_PrivateKey[256], m_SigningPrivateKeyStr[20], 
-				m_LeaseSetPublicKey[256], m_LeaseSetPrivateKey[256];
+			uint8_t m_LeaseSetPublicKey[256], m_LeaseSetPrivateKey[256];
 			CryptoPP::AutoSeededRandomPool m_Rnd;
 	};